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Proceedings of the 1998 international symposium on Symbolic and algebraic computation
August 13 - 15, 1998, Rostock Germany

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Table of Contents
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An analysis of cancellation error in multivariate Hensel construction with floating-point number arithmetic
Tateaki Sasaki and Satoshi Yamaguchi
Pages 1 - 8
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Singular systems of polynomials
Hans J. Stetter and Günther H. Thallinger
Pages 9 - 16
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Polytime algorithm for the shortest path in a homotopy class amidst semi-algebraic obstacles in the plane
D. Grigoriev and A. Slissenko
Pages 17 - 24
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Complexity of computing semi-algebraic descriptions of the connected components of a semi-algebraic set
Saugata Basu, Richard Pollack and Marie-Françoise Roy
Pages 25 - 29
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FOXBOX: a system for manipulating symbolic objects in black box representation
Angel Díaz and Erich Kaltofen
Pages 30 - 37
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The GAP 4 type system: organising algebraic algorithms
Thomas Breuer and Steve Linton
Pages 38 - 45
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Software components using symbolic computation for problem solving environments
Y. N. Lakshman, Bruce Char and Jeremy Johnson
Pages 46 - 53
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Coordinating mathematical content and presentation markup in interactive mathematical documents
Samuel S. Dooley
Pages 54 - 61
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Software components for computer algebra
Pietro Iglio and Giuseppe Attardi
Pages 62 - 69
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Compound program packages and a nonlinear random fluctuations analysis
Igor E. Poloskov
Pages 70 - 75
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Application of computer algebra methods to the construction of an asteroid motion theory based on Lie transforms
Akmal A. Vakhidov and Irina V. Tupikova
Pages 76 - 79
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Lightweight formal methods for computer algebra systems
Martin Dunstan, Tom Kelsey, Steve Linton and Ursula Martin
Pages 80 - 87
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Approaches to parallel quantifier elimination
Andreas Dolzmann, Oliver Gloor and Thomas Sturm
Pages 88 - 95
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On bivariate Hensel and its parallelization
Laurent Bernardin
Pages 96 - 100
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An O(n3) algorithm for the Frobenius normal form
Arne Storjohann
Pages 101 - 105
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The modulo N extended GCD problem for polynomials
Thom Mulders and Arne Storjohann
Pages 105 - 112
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Certifying inconsistency of sparse linear systems
M. Giesbrecht, A. Lobo and B. D. Saunders
Pages 113 - 119
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Rational solutions of linear difference equations
Mark van Hoeij
Pages 120 - 123
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Rational solutions of first order linear difference systems
S. A. Abramov and M. A. Barkatou
Pages 124 - 131
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A subresultant theory for Ore polynomials with applications
Ziming Li
Pages 132 - 139
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Canonical subalgebraic bases in non-commutative polynomial rings
Patrik Nordbeck
Pages 140 - 146
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Efficient algorithms for ideal operations (extended abstract)
Massimo Caboara and Carlo Traverso
Pages 147 - 152
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Deciding linear disjointness of finitely generated fields
Jörn Müller-Quade and Martin Rötteler
Pages 153 - 160
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Covering monomial algebras
R. Nörenberg
Pages 161 - 164
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Fast multiplication and growth in groups
Charles C. Sims
Pages 165 - 170
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A note on Nielsen reduction and coset enumeration
Birgit Reinert, Klaus Madlener and Teo Mora
Pages 171 - 178
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The 5-modular decomposition matrix of the sporadic simple Conway group Co3
Jürgen Müller
Pages 179 - 185
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Solving puzzles related to permutation groups
Sebastian Egner and Markus Püschel
Pages 186 - 193
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Computing normal subgroups
Alexander Hulpke
Pages 194 - 198
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Multidimensional chains of recurrences
V. Kislenkov, V. Mitrofanov and E. Zima
Pages 199 - 206
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Simplication of symbolic-numerical interval expressions
E. D. Popova and C. P. Ullrich
Pages 207 - 214
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Solving one and two-dimensional exponential polynomial systems
Aude Maignan
Pages 215 - 221
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Solving "generalized algebraic equations"
Frédéric Beringer and Françoise Jung
Pages 222 - 227
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Optimization strategies for the approximate GCD problem
Paulina Chin, Robert M. Corless and George F. Corliss
Pages 228 - 235
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Efficient algorithms for computing the nearest polynomial with constrained roots
Markus A. Hitz and Erich Kaltofen
Pages 236 - 243
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MARS: a MAPLE/MATLAB/C resultant-based solver
Aaron Wallack, Ioannis Z. Emiris and Dinesh Manocha
Pages 244 - 251
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Controlled iterative methods for solving polynomial systems
Didier Bondyfalat, Bernard Mourrain and Victor Y. Pan
Pages 252 - 259
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Fast numerical improvement of factors of polynomials and of partial fractions
Peter Kirrinnis
Pages 260 - 267
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On the equivalence problem of linear differential systems and its application for factoring completely reducible systems
M. A. Barkatou and E. Pflügel
Pages 268 - 275
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Computation of the monodromy of generalized polylogarithms
Hoang Ngoc Minh, Michel Petitot and Joris Van Der Hoeven
Pages 276 - 283
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High degree solutions of low degree equations (extended abstract)
Jürgen Gerhard
Pages 284 - 289
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Recursive integration of piecewise-continuous functions
D. J. Jeffrey and A. D. Rich
Pages 290 - 294
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Simplification of truth-invariant cylindrical algebraic decompositions
Christopher W. Brown
Pages 295 - 301
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Rational parametrization of real algebraic surfaces
Josef Schicho
Pages 302 - 308
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Monomial representations for Gro¨bner bases computations
Olaf Bachmann and Hans Schönemann
Pages 309 - 316
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A new type of canonical Gro¨bner bases in polynomial rings over Von Neumann regular rings
Yosuke Sato
Pages 317 - 321
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